Relaying: Filtered Outbound

Our Filtered Outbound SMTP Relaying Service is necessary when you can’t trust the source of your e-mails but still need to have real messages delivered without compromising your online reputation. That’s where we step in!
Speed & Reliability
Our high speed redundant servers will always deliver your messages within fractions of a second and provide a clear track record at each step of the way.
Manage the list of IPs which are allowed to send messages out or enable SMTP Authentication.
99.9% filtering success rate
Our filtering system is extremely accurate and offers you the opportunity to block, tag or quarantine messages while not generating false positives.
Whitelist & Blacklist
Manually specify which domains should always be allowed and which ones to block.